The technology involved the horizontal shifting, launching and transportation as well as positioning and installation of the caissons.
其中包括沉箱的水平运移、出运下水、沉箱的定位和安装。
The technology involved the horizontal shifting, launching and transportation as well as positioning and installation of the caissons.
其中包括沉箱的水平运移、出运下水、沉箱的定位和安装。
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